| #1321 | Pest management professional. -- Duluth : Questex Media Group, 2007-. -- ISSN 1939-9227 |
| #1322 | Philippia : Abhandlung und Berichte aus dem Naturkundmuseum im Ottoneum zu Kassel. -- Kassel : Magistrat der Stadt Kassel,Naturkundemuseum im Ottoneum, 1970-. -- ISSN 0343-7620 |
| #1323 | Philosophical transactions of the Royal Society of London, Series B, Biological sciences. -- London : Royal Society, 1934-1990. -- ISSN 0080-4622 |
| #1324 | Philosophical transactions - Royal Society, Biological Sciences. -- London : Royal Society, 1990-. -- ISSN 0962-8436 |
| #1325 | Photochemical & photobiological sciences. -- Cambridge : Royal Society of Chemistry, 2002-. -- ISSN 1474-905X print. -- ISSN 1474-9092 online |
| #1326 | Photochemistry and photobiology. -- Oxford : Blackwell Publishing, 1962-. -- ISSN 0031-8655 print. -- ISSN 1751-1097 online |
| #1327 | Photosynthetica. -- Praha : Ústav experimentální botaniky AV ČR, 1967-. -- ISSN 0300-3604 print. -- ISSN 1573-9058 online |
| #1328 | Phycological research. -- Carlton : Blackwell, 1995-. -- ISSN 1322-0829 print. -- ISSN 1440-183 online |
| #1329 | Physical biology. -- Bristol : Institute of Physics, 2004-. -- ISSN 1478-3967 print. -- ISSN 1478-3975 online |
| #1330 | Physics in medicine and biology. -- Bristol : Institute of Physics Publishing, 1956-. -- ISSN 0031-9155 print. -- ISSN 1361-6560 online |